import java.util.Scanner;

public class Sum {
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    long sum = 0;
    long number = 0;
    do {
       System.out.print("输入数据：");
       number = Long.parseLong(scanner.nextLine());
       sum += number;
    } while(number != 0);
    System.out.println("总和："+sum);
  }
}
